{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc6bc910cf8b923b5829cd15641eeedce850f0b3e78d4f07f7d433ca785cba1b8",
    "signature": "0xe4146fde23e39f2e9f377b7fad7f51f3b783543af4345147597407fb2683009915205bb63b647773036a2c6b7c8be14408bbd51a5178a770f35fd2383513db1b1b",
    "signer": "0x04C487103E1682a6a5C5eA5E5Ae9A9C6bE6262d6",
    "userId": "828682183"
  }
}