{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829862826",
    "entityType": "User",
    "nonce": "0x57e2e03c5679ed5b2c71ed506e529c00e88aaf5458779575a1ca22ee343ebb77",
    "signature": "0x9d95883d9dfc59b82b3fd7f3d583eea80cda6c259e7dbe6edfcd58f5a05ff1151ffa9f40e86afe7e581e4f1e252dfb8bfd77156b2d63dc5914be4c39830468411b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}