{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225324815",
    "entityType": "User",
    "nonce": "0x4f7f09d0e44ce9a2f245115719b78b65db6df676c47c552f52275b46564c5197",
    "signature": "0x5a632ef6bca80425d6319798f938ddbf47c7bb4878b408d712ec1d49a0f79ad31e37e13fa1492a378e7cbc44f21727d4989dacf9b5f8a6d13ad018e0db03c0331c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}