{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406441379",
    "entityType": "User",
    "nonce": "0xbc82be25e3dc55ed3b01f04efca80a89249c1f6c0ea05edd967a2a1e7eec71b6",
    "signature": "0xb939338c0a6ce5cf7abe2637d684f559b5aa4389dbea90c879ae08bd174781f878c2f50b396067d5f5193e488d4eedd726cde9b420de98f70bc89b8cab5831d01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}