{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204611",
    "entityType": "User",
    "nonce": "0x788f96c4e55453d702c5a59e14326f9ad39607708de9f9edc2c11c5fb1643de7",
    "signature": "0x64cdd4b2ac28c21150793b95851e98607a5f40f320062d0577e5a868dd34aeae27fee90a71956fce1e5feea0ee6f9fb6ab6bfd9aace8f51c709e517fef7fc8711c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}