{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x705a00f80f4d893abf74ad438883e6baee212fbea784ed4394e49382fcb068ca",
    "signature": "0xfc0a997fc1429e118f3350754105db0f28a4cb7405e7c0406e0d17477503d646030c6a72511952fbc606276350227f515d79085601713c3b81b289f6b36293891b",
    "signer": "0x2E39Deb0179969a4924bB77CDEfCE9b5D335D6df",
    "userId": "396813336"
  }
}