{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x26f91f51eb1c79e2c528ab16dd59cf0034785aa0e9b22ec496564acfd15fe978",
    "signature": "0xab7b14deecdf4777e59ef131ffd0faeceb360a45ef8235bfb34531a304e8489717fa0b4c30acccab89d3727168d0ded36b04eda8a76eff9abf6645d5a00fe0a01b",
    "signer": "0xFc32c4a1d5F00e4c3A665bae88f3a63d47BAEa43",
    "userId": "397129323"
  }
}