{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0xdfe3f3192c8fd43f4ce6a53c938454d52cc36bff767dd0f1b72830c070f58c77",
    "signature": "0x17faa75272a3795b4b74ed0004999e2d805c3e68a3d5ebcbf3594181dc1f73a75b6ad3af3dcd61bff8b2597680108f308788befe29dc5a976cc8917bf2f997f51c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}