{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4b76af8ff2b526404f5fc76d24a3177df272749497d13e135ac35a93d7a1863c",
    "signature": "0x0947bc32d15dec24f629264e9742fef3a70d80a966c753d7419b92a90a28da1510887214a15e2a820f86357a5057aea7d08da3c6f140800aed7668be6cb2e84a1c",
    "signer": "0x24a23A9f07ab4BA6494d9307D5279942F460f8fC",
    "userId": "114776143"
  }
}