{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100852",
    "entityType": "User",
    "nonce": "0xabe511edede30d74cccd8ca5b318028f8d197cae7adead0b843fcd46ed67a4ba",
    "signature": "0x1d243c0a1f1224d518eedd50b94b8db97f23a7892b0c49ecbfccdf8cc4a3f947514a003508ce3b137e64b524495a2aac5f875619daef85b4ea85543e7aafca411b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}