{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x85a2c4de4230c856cd295cab620df9389339cd0e91e6c539c082742e4ce16d21",
    "signature": "0x1c9fa329313b64ec2956f0044c08a9d3ebc1d2d3dfcf8e20eb89ae8b1af336f171fd479536e2696f3d33f243f61264a69b404fd0b11b3856494be6ef1774a5ae1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}