{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8614",
    "entityType": "User",
    "nonce": "0x2c65485df8b7ffc28d85418e1ec2c04e195236a3f32629a9cf5e40f8bd867457",
    "signature": "0xf049e369a4a415492b5234f7439343abee9cd2dd791bd7c2f8af60aea275853e0a5f44b712d4e3782cd2f7daf168779cb7840d0819182bc3ae7d7c1e16f8ca541c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}