{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470920",
    "entityType": "User",
    "nonce": "0xa4928d1239613cfd8bce8a5979572d417e57d9a31cf7e4855087d8e21a6217ba",
    "signature": "0x4ec294b353846ed569c82b481d5e67e5debba2d338e852473117d00fcdfbd9705771805c663ae93d6033c5468857b310f6a2004fa85eb9c87320235a9eda82ff1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}