{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470920",
    "entityType": "User",
    "nonce": "0x9d9b145e8d01888acf3c39cc501d4397ca30c9ede470dca202d72efd59026be6",
    "signature": "0xd61fc51954ffc059cbfb09db2a54820d6f3aa708a31476b15169baf626d0650a1c35aabca395bc5ec1b856a277cf90da16c9b13a339a1472ba40b7b869fa74bb1c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}