{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14223",
    "entityType": "User",
    "nonce": "0x678ede957d03ffec95abbfce5b41a8f18b7c19309ca30b73a31002cd6c3d4af1",
    "signature": "0xd5822b4e7d7c6cf47e77c94044089f1ed6b9ea2b16b000930806e9087204b2e34d354fe712b768f897f28359f02a1bf2774181a36cdb8c931b815ee34a5a388e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}