{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67066",
    "entityType": "User",
    "nonce": "0x727f0ddf9f3aa355232452b0e150ac4ce991dab06da24eaebc0e0bf024f28a6f",
    "signature": "0xf3f40d0eec693c5d8f5b9b8f40af43b32bdc84a5eba215465545631c796b291e3ad19bd506b37a6c6c6d1893d33544f7746cd5e98f22c8bbd9d6e8a62d8f5ef51b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}