{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xb33a7514ca2f96dc71710a75edf0e8aafb591babeb4ebb212a8a6083348819e0",
    "signature": "0xb39d23fe9eb90e4357eafce514b3f410604b46f07cefd9560cafb2839760d127576b9f512b5897690a6144233908aaf486e045cc110df9d93524f87e85df7b6c1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}