{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x4feb31531c70e681d9ee3a14949c34e0898d8ca5df9f964bc4d179dc489427ab",
    "signature": "0xe133cfef344dbf9c268aae302cfee84be677fbaa9f2d681043139ed004d3663a45c1a2a21fa7bc6e6f5a34078c6d649f3882687605415ea8770c8d0ae0541d9a1b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}