{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "429317",
    "entityType": "User",
    "nonce": "0xccc6f5bf68d161a3ea81a58c9ea88e227c7a23a73509c041116c0ec61f6fc4d9",
    "signature": "0x525f12060702960563132464146040c9a4d52e3a1dbbe9cf9f5f4232685ee4d40247805d5762b18892631546f3c0f7b7c5a34b0b3747b510672d10b22a5a07ab1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}