{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2586",
    "entityType": "User",
    "nonce": "0x20d5976f9ebf38020b62851bf3e466bc26e01bee44ef950381effb0c8329fb62",
    "signature": "0xc533441d12fa9265f814e66287c2870e454c7cd2d0874cf173222dbff46f5d1a2c79be46348d0a672e114766d0b6ed3dc00289df2af1d2bbc8cd3aedd7361ab11c",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}