{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58434",
    "entityType": "User",
    "nonce": "0x7d882c63a5d94b012b28182403f9f9525ddcc4a2a5d7cc1bf1d1f5feedc2435e",
    "signature": "0xe6ea621c3c796ac6ed31cfed9694d1170f59c09d24752a58a9053f18788a58683f41c0cec63763021c101f528d0470d832d6d0b23d499824e6d44ea234e444b01c",
    "signer": "0xd9d4cF91e1f5AA6f2F8599662a7c9b5896FB2a2C",
    "userId": "289632107"
  }
}