{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78720890",
    "entityType": "User",
    "nonce": "0x58fe97f56e3e3c537ae0d41db5439b6b3996bf1d3f7493b8a657b876aa37c403",
    "signature": "0xe8e17cb14722cbacd5a3bf525d589cb583e71af0098203cba0cb72244f8872ef5368baad3b4f5456d42145ebe3057e390d1f54cbcc47742b7e7ce3091d6eeeaa1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}