{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "945181225",
    "entityType": "User",
    "nonce": "0xa7b6cb6cf626badfb9d8bc232c721697f3e659744fd7190c9469784d43844727",
    "signature": "0x7b25749f7f5abf589161e635294feec43d425081f60102d637d7581c93cdb26e50d8da92307be022f14a3dafabc2cd1fd7253beb6a292bc89bfc0974788bb1411b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}