{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x9cace4905e4615b45ce84c9676cec330eb8987173444d3e4c4a083b14cd72aec",
    "signature": "0x5d6abbcf88c1b3cb0052eadfb3ab0bc6e73f7adc0a3f58b7bda0b202a67c913d14f464461bdf0f73e2384c4202d951f74ef8109e0ee73c9061758d1b51b7fc151b",
    "signer": "0x49aCa476D46A8DeCd8789B82a5E5c05d36dF4FdE",
    "userId": "305528134"
  }
}