{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846471257",
    "entityType": "User",
    "nonce": "0x8a3c4703f8a92e18dee69cb63e0172e5b057acd8d7a429b06458db99e049d7a9",
    "signature": "0x68ebc67cce2fc3a5ef00cd34ec7645f4f0ff3b4c089f4dd2a3c455d1ad15cae177080fa42b12a0a44c79142f79efda682bab200d0814cacb0b5c0aaa419ddd331c",
    "signer": "0x811B619477Ea800Cc8e7fDd08cEA323eC3E06411",
    "userId": "791433195"
  }
}