{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x00957025136de6f125ba3dd9bc3d697adfc750fc2b42997906bab047348ea61f",
    "signature": "0xc83d9617ea127a767b38d48984ad907f8b3ffbc0fa65a8bf834c8f90cda635d31c82e53f770ce0f4beefb10a68d351691aef1066f2eab4cbee2a6b0a9595804d1b",
    "signer": "0x128141391D60f85f3b6fe6A24f136045F8b119C3",
    "userId": "414725718"
  }
}