{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51024",
    "entityType": "User",
    "nonce": "0xbd9256633fa494c1fc83fbbdc4beb1b814ca1e31ecdf74df8046d471b77e85cd",
    "signature": "0x570691e9e86cb52352c767a80e6e2ae453c24b40405ea4af965ec8f25f25eb1344f5fbeee382e1cb66e58694942352b282bb3064726e556187eb4fcc402daaa21c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}