{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832604939",
    "entityType": "User",
    "nonce": "0xd9a6d736713367b218a38f29f9556b7320958b3e8d77caa77f10be7fd2efdbac",
    "signature": "0xe03f331b2f7e232b6e821e9debe99d5721fdc32a8fab15d03ce700a7676d6de74ecf00eb2f025659ea89a22795540221cd1bb77839fc7fed8edf8b858b9967cd1b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}