{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "606296796",
    "entityType": "User",
    "nonce": "0x4a136f664e22ac657d1cce35a6fd90a8e032bb030ab738d17cb3dd1371903366",
    "signature": "0x86a1b3f41e0d4d720b641aa0b78e3e4b2eb3270cd0080a2805f05a4dcff96710649fedf3e37cf5136b25a7d2890a9235b60be78e960a35e6ee0a94f1289f1bab1c",
    "signer": "0x79491f0dfbdF0b388e8441b4c0221bfaB43075d6",
    "userId": "963945097"
  }
}