{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5b3399f5386ae8e8cd819f73978a80680247032f98d299685b13cc6f552b1ad1",
    "signature": "0x3acea03431b4516a30c253bfd734dafd901148e84d20ab3599528ed33c7f5ec330ddb976e4f9bc4b0dcff8b2c705ca2fc071bcf634006d36f834684e2ecd7d681c",
    "signer": "0x9167Bc115cFE3f8D967191add8bcE9eE6cc1856B",
    "userId": "267355791"
  }
}