{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6cba02caaf7ade2073ffea20a387aede4e0220848d0bad6e3deb32b2577dd288",
    "signature": "0xebe46549a82706f76643b3825ed307aff2e9fa76140fde69898132620d18b3a972b0c8d7b012263f01f1001d263308869df352d8e99cdea74fa4396e303dbd3f1b",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}