{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962634039",
    "entityType": "User",
    "nonce": "0x24595d0467295d29ddeb3f058acfc49f7ff5d0f07623de29469075970cabaff4",
    "signature": "0x85dfbd1a5ecea865c99aa908f5279216c816febbe7a4b6ca0cc00a5a4decaedd4afcf318ce41b4eeab74a60a2bca55d614d2152a71bd46ec4d5e66ff98210d751b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}