{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343727",
    "entityType": "User",
    "nonce": "0x59b3e1849144f66f112bbd535fee0451166104924da32260cd12df243c4d34ed",
    "signature": "0x801443ecdd0bff8a4a8b99af3b1db653cd57ad996ad4b41fb11aab23d8c3e20b6307ee04b971b1877aefd48a6be28f2ed4b201f66639bb58c173e38926c97c6d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}