{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "929771339",
    "entityType": "User",
    "nonce": "0x3750b4cf224382eb43843a0a487e23f2ffb8bf40f432038e472d652b3c456064",
    "signature": "0xe222d702106b5f5fa19c6920caa33b13afac4bbb5915058eb1f83070719bbf5f17679595a0b03b8eb3b5e9cd8ec2746b49644858fd0e2e7c1bef21ac85c2c2351c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}