{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330374208",
    "entityType": "User",
    "nonce": "0x4946595f9191e0c6be8030ec2d634fdaa486f6fa19f7266a725fda639fa359c3",
    "signature": "0x57420bd5e74d44d4aefa61272fc8a3d74f6d2b04e86ebf7f34c1526bd4151ae8606f5c43746680e55beb0c9e30cbe7a506d28679684aa45cc31fad846eb9100a1b",
    "signer": "0x04bF08966801840af38D7e691D75F5835A96042f",
    "userId": "10442404"
  }
}