{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352570",
    "entityType": "User",
    "nonce": "0x799540fea52317aa46e0d372dd49acd4a97e4fe25cd061f7c204f463ac8b6b5d",
    "signature": "0xb64701823b06e9dac7f927d8a97a53b6a7d5ff7a8e2d28e6c1424029b1c88f0b4fe5b613014f4a3b36640d48c126da3f79bbb72318fb0af442ef7aa9fb7003191c",
    "signer": "0xDA7E9C9f294dc8E621F5C8534b1f91c0dF9Bf125",
    "userId": "165857"
  }
}