{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319129",
    "entityType": "User",
    "nonce": "0x82e36c82eeb3a67037d99ba3f129949fecb5a49a79eefb3ce9b64b942ee5c45e",
    "signature": "0xcf8334c58b70150646b5bb604b725f9103d4cd920b03212f3956c1ed4e8cb898139e1e22f9227b10db38e137315e06d34cedf5814e567c6d0d507644bb36985c1c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}