{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1fa140b1e11b6919a226cc2ab31aa1c95300873cdb375d6c82f2e2a24b1311ca",
    "signature": "0x00464b297f8f2057cf1403d116ba8632e6fb09bb1f03af624520c0139002f70b4ed6f649aea931ca7242eb422681b0d179457cdf01fe256925e8b5c902a11a1a1c",
    "signer": "0x92A54e77f13b9B7051f80e851698A1d518e3e2ec",
    "userId": "663465431"
  }
}