{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150282369",
    "entityType": "User",
    "nonce": "0xeb75179b3297f4a5a9ce8d237936ab620e804305035f2ca1ccc4e1807c06c64b",
    "signature": "0xe5027224ed17b72db8d51bf3e5a767851b96a51301266067e09a414551ae2a560f26df4728b030b2c12febf7c09aeb8ac2dbf5f4ea514d7dad6fc6e97e74ed621c",
    "signer": "0x0d0E0D19797534AEF52736C60B52793E9f88e24F",
    "userId": "603294620"
  }
}