{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951546743",
    "entityType": "User",
    "nonce": "0xaabdfdbd8e5bc336b22cf81a0d2e50cfa54721f57712245a4ee3354832e73a40",
    "signature": "0xa0eb275028db6ca879362fce8579082fb994a03b31273a96a6161833d643aa237599dcaa103cf99e220f87fd4a9e1536b59ca30ba9670988931cf14ca353b67a1b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}