{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xcb838b93c53790ebda5bd0f6450800673e54260b3b6b1bde5da1d327be2bc8eb",
    "signature": "0x2dfe742c1acb1c13fde159e18efe953a45263d581be63367ea5760a7867c42b03d31c1030f205a327da862887b361cdaf76983820205cb8407ec3204003185d81c",
    "signer": "0x1665D68c9D8B376a73Ce78AD4CA2021A3FdD7A7B",
    "userId": "39778565"
  }
}