{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0xf2fd2e7f173af16640eaa02754a706284b421b83768750259ea8f85f90278677",
    "signature": "0x30f2c31a92b7914ff29324b8f12982f56c263c9238574f7fc8031817f9e0737674970714b449ddf1133801ba47a6dbb8ec477e7ff7ec06b1a6248c52b13ce4241b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}