{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162449215",
    "entityType": "User",
    "nonce": "0x760ff114d542df739ced4e8004d7d4fabd2c2923b3b3bf3efdfee0ae02ba1428",
    "signature": "0x95918195787b6b5911d4bf69378ecb68d79b261a9213cef3c28cd67c82ac1f7b6c0368ac1bfb251f1ad4841f6ef0b635798c61bf81f46ab113993face73ce82a1c",
    "signer": "0x9de29362DF595E6949CaA2820c5c28c3D6b0CEe1",
    "userId": "857551474"
  }
}