{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205546",
    "entityType": "User",
    "nonce": "0x0271503e72cd28a9bfd85874d193922cc2aa296c60bb39bba0c5ef314f49f6e3",
    "signature": "0xa618f2c733ceede2f95c89951934ba3bbb813597e918275b584190f2bc4a3ec11245ea315c0a87b72b4651a96242aafd2f295fe83d7e53ebe72746ce5360ada41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}