{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xde8d0698af176b3b32fbb674f03143121dda504add52bf8670ee37c78f65ca93",
    "signature": "0x3eea94e6480572ecb2ef70dc5d5a43d1dedd710c9d8d4db153d020f493c913123852c1f3f152bdce85a6e8208e53ce0852970d7ff77b5fd788fdce138ea250701c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}