{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x8d237f4a9d010ac9b7e2e4f0e4721244cb6407a932001cb3516ba5f62ff99c7c",
    "signature": "0x66a8f05686e2f21ec6eb6814d301724241e6d1353b311eaea778242481594d1e0c137cf8cfec69214c210f4a8cf90e77cb3b0e9282a4b5ab4388f5c4213dac271b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}