{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x777310545743dcc2a54957d686b68478a41f839180450c191d5d0b44bfbca188",
    "signature": "0xc91008d2d09d952c9e4ae6373d9122d40063d5790535181e159aca6dfbaaada9161869782dfb190488e74a857ba0d772a6a975817162c500860b225fface0a5f1b",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}