{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1439165",
    "entityType": "User",
    "nonce": "0xcb358206754bbed7be83d665f803fa9b5e4e3e445e455943aa10139d0fc343be",
    "signature": "0x831d712191108ecd8f4280401f9d35d28e7ce09a6db1b3232bc7ec487cf64ae04bef17755be4a8d8bfc355f063eb49acdf04a884710c2e2b062f343bc5f6c11e1b",
    "signer": "0x65EB59bb6C92a37Ff6b3c51d34c0aD3607F751cb",
    "userId": "305838"
  }
}