{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42763",
    "entityType": "User",
    "nonce": "0x99e20196b5e8db85fa6afed101a3bc2335be747ce2736f649aac0f83027f461b",
    "signature": "0x2e238d0253e9545b931d3bae9e717caa84d9341293f045df05d5680a81410449547b952aa1a621a58c30e444ff8db213fda008fb8247120887f18123cc36b1e01b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}