{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xda67cfc5fe5dabe135db9d2a81891a44cddcf3fb298157a289cfff764989a7a4",
    "signature": "0x6d32b60f0a35d64dce5f3fc7cee4a71df023ac7bba6360983d6c51b799b73009067d6e9dd646fbe080a8da9bd834820b065a53609e74bb7cfb13b9250e5a31051c",
    "signer": "0xa89657c6AbE718D0b84Fa7344A52C9De3FBD63c7",
    "userId": "628703760"
  }
}