{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd11ba9cf0f774a3b313cff680621464fe979f03dfb3d6d1ff315343cbb090f6e",
    "signature": "0xddd06999762c8021f6cc5259160e11b803106f90eeb1652f866365dfacd5c13f35a3fd9a8abeec4ce682d66a2af64d641f99b98ce97ef7ec3d9edd2bbf9814231c",
    "signer": "0xDe6128EEdBB4d15D391871267E286E878C7011B6",
    "userId": "144906061"
  }
}