{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x366b185f454e3b7b2c2f55770234165b8fdf7877d9e23895db98d0923045b9fc",
    "signature": "0xd5b434d5198b6caba85b5ae21f299e4a061b8f9d0bd5bc1f9fdd345497402d6c1ed597b571e51b9c0f7feb22187f27a8761c285108bed768bd890c40aeef62bd1c",
    "signer": "0x47dbED9A6aEEcAa660D5be033a565bd140969326",
    "userId": "511721106"
  }
}