{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956241273",
    "entityType": "User",
    "nonce": "0xf008d3347c7e0aef3fe97afbaf02e3dceca480adc757b05b7ab7dff25197c13f",
    "signature": "0xed44514713653f72227b374cf3f1e96e0cfd6821c7b1dd2b2d73cae33585e0714865c87756dcdcf4689b8738602c7155523af3fd67dc7799ea510630551350351b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}