{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62512",
    "entityType": "User",
    "nonce": "0xf2fce88c2e08bbcb371b81fdfccf9cf438fc6ea55af4221d4881ae284d4971b8",
    "signature": "0x153d222c7b4326bf39beb4df5720f2eae21f0b9216c36e556159f6721e7c045154f7eb349ad8a3d9d2a17384d609f37eebbd11ad5663e39db2525ebd8a94030f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}