{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "938519346",
    "entityType": "User",
    "nonce": "0x9e95c36e4af779dd60da4c9228972192a0822eaff225a3abb7f77b78f1d227d2",
    "signature": "0x81a7cfd6315dd2b039b005e264fc723452623cc2f5a71adc1dc83cee9cb347b15118f3b9ac5ffc1a985a6cd774c037669fc1d2d4188fa956a7443e85d4d306a01c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}