{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x5aa4a3526b9db81718862591a3d0c4889957eac9559eaa8bf298cce4b7c8cd9a",
    "signature": "0xf0f7c759c57629c880e162a569364c1bfad743cb1cb969ebca63c56c916704720f24846c216733293c1a66fad80d6fbb22b5ba599a7da69ff682f55ff03d9a051c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}