{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1334982",
    "entityType": "User",
    "nonce": "0xed8cd4ce96e789b7fa3d47d7359a6264e2e8f91a52e8ca54f1903262e213206f",
    "signature": "0x318957b5fcf19aaa88fc477ff88e1cf1272e339688639a744e27c1749e2151251a38b02f0ecf134017b780470ce273e7e7164166cbaa8cd601d50c64f065d4221b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}