{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x10c208682eff35afcffc3ad3d0cab40c890cfa131d6a31b210884091e1e2bc94",
    "signature": "0x63f2a100f6e9874ea5b7bf9b3d70645562e549f92df4df6eb7ce2f789825b6663aa5fc30ba98957eda80f3c3379c48b8ced8fcbdc7ee32023dae0bc141cd7e351c",
    "signer": "0x6e1845eED82C8C7e075ebb5A9dA767d5F048968e",
    "userId": "167529782"
  }
}