{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "438036",
    "entityType": "User",
    "nonce": "0x218c11a50a2374a6ecad5de305d80a39e4a47a65ccd07d9032405923bc5d7eb6",
    "signature": "0x140c96abf9fcad2b0576a55094e350c052847f626b80fba397d89c81e18c00ca54baaed8fb5d5339802882aa23e8a29de300f93791e5a154179df91345a0fa881c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}