{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xc7e1a02b8ba7a17e456f20a249f6abf1888c6f04449ac7e10c9959520f7a58d5",
    "signature": "0xe70d5d8479df9fa81cd6848d3a222098525ffc7a988b15a6e88632c73e6c28f75949f1e4c25110a7ad3b5520d983d0bb445b8e8e21cf8a80b200264824ad130a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}