{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41712",
    "entityType": "User",
    "nonce": "0x857361f35fcd9f32193dd266122a85b197abfa1bb62f878bb1693fbfc2e384ff",
    "signature": "0xa366ab972e45d376818532291d8f2de98b3c2ec43e16a22080de6b1551b016c365729b085d52e0157d98119e9b0bb1a3b01c8686384eb974eb260f50e22ac0f61b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}