{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211200",
    "entityType": "User",
    "nonce": "0x3288aefd4cf0ed29be2224398650b92f4e50b67d86118c81f562caaa2a5fcf30",
    "signature": "0xe233c8b56e7b6c60279d323dfc8856e635e81ad542213fd26a33ba94a5dab7d86dd10b9ec0372fd2a78f4de55c7aea57e806b247acb36f5f9fed2feb08cdb67e1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}