{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96d98b75c5260ff3d9f4f99d1cc891d65cfda55ccde6f6e9f11119639617f5b9",
    "signature": "0xed0ab37b965ecfc621763623266461741370961dc4d755645957717c8299f2f86d0eb8d541798e56e82a783f842109ac074ffd8d0e9a04657a8aadf8498efd151c",
    "signer": "0x93716e020f1e376Be9ec4fF785F3ad50ad2eF68d",
    "userId": "463531545"
  }
}