{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61913",
    "entityType": "User",
    "nonce": "0x08a2de378f90cd68bc5f8d481790afcb6d0b6993836d2c7fc17b78e4780300c5",
    "signature": "0x64db371d7304e8072adaa94b6d9c9c8f702c1acc4e3750f53d556313ae39a971256efbe9d81f1c8f4c069949be56dcdf30b8a9f5b4e7a5ebdae6069b16c3b7d61b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}