{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x51c698c81c326a3118805ed6afe9ec90e6fa33f45c7231913e5aedd7d33d3383",
    "signature": "0x317b1415d2e106767ee99f11fd9cad237489c42a5f07a52b6421541300201651463b475d6fbb3b63b1056d0ceae0be4e3a716159c24f3c46182dac473813e9e71b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}