{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967612926",
    "entityType": "User",
    "nonce": "0x4108464234a6e75d676500e0c18526f3a0af132d33f47f5258a2717c5a56d9e1",
    "signature": "0xebccaeaa16947e178c4a25c82a64e74c81eb7621d519f7f393f2b005e0ff0b07433c4930f416c3b1aa35b4fc940fa535b348954d5332bd7f1c945d015c31a8a01b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}