{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xb2bd783c643886930c4772f0e7886ce95d998304059823599d7476cafc2b7a7c",
    "signature": "0xaa738c4b1fbe4759a6b1b5a69e5de432e880ddf6238b7cafc9aaeb8a2aeb3097622962e6be1ab3060d0cdf75b7bd80cd9fb24fd3e8fee4bc3e80831f8900868a1b",
    "signer": "0x9e170ccdBeCf0871259759c43e12DE99fcf47Fed",
    "userId": "898176077"
  }
}