{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138746",
    "entityType": "User",
    "nonce": "0xac6e8fc0f7a7223365eabc911e9c7482c770119cdd450260f966a562f01728fe",
    "signature": "0x7911fdb9ab703255981a093df7e3d5b64e0f34670d1a16d0c373a0fcef0c46a522d6550176d5204c6bd4e7d6822f37c06db54659cc074e4839fadd042223d49a1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}