{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1481230",
    "entityType": "User",
    "nonce": "0xc47479ab1ad4c849778315df054e0e66d15e1e52f9290b4823636672990e0262",
    "signature": "0x248e4d874aafbe9591769f20a0025f0ef4fad5ca8ef4dcd5ffb6040afbdfba31169362fc8d87fb267a3211718a9c8f1c214c984c23d6a1f7aec70d0f073c92401b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}