{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4527f88190f46e2778afa489bdaa14bd14cffd432bdb389fd68a54c82ffeb866",
    "signature": "0xa1ad0a9314cb789762de4b66139ec7e5debe72b8d455784f4a90008ddea0667836fe46e29677c6d2d8507f07715f13e68bcaf68caad642150f29dfaadbe46a411b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}