{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x9f4f81f8c06174ca08da90f513bf367399e62b8ccd99dfeb2aa5f77371619f27",
    "signature": "0xbbca9a7d0f8c10e603e9c2ccf38afcb20436d5909394009e12b3782f56d26cce3fe928d9d44f2e69bda61b01324625f7d3af4312bd858a7670397be4591b68311b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}