{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x21dc31fac1b444e2fe91d0113a89f082f1bcaa58f87cc1d3a1a5ff98696c58be",
    "signature": "0x19f4e3ee9d2f9109769e3c54fc4a7ee697c0859b5c41f8390d3360cb8d07526f111c110db79a3bbdb3a199759af6abee257cfcc642360a137e56367908e09aba1b",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}