{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x9c317e3bf0dc74427f86e123a2c2dcbbbf0407c310dd1aea0638aa35d0436c45",
    "signature": "0xd9c84aaa323dd00e523e3e8813a913a37d4ad0c24050492916fddfaf9541b0055b476f23cbd2509f4704b1e4acc1debbb46b72e5410ba67d8d72bd40e72957ab1b",
    "signer": "0x2eA69295eDcdC9f8941Fa95AD49DD39D3840F43b",
    "userId": "849918044"
  }
}