{
  "manageEntity": {
    "action": "Repost",
    "entityId": "776997501",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c3181d670bb425e8009df73d03eebe9c0f040162b5bf7e3cadcfc197cd470b1",
    "signature": "0xce3a51a3ae7689544ae037aea90fc5b7b609f4cefcdca65d6522e8a63c888ee9074f7e0b4a77536c5d44fe27545c14c6430b273fa9e409cca570bd6a310abba71b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}