{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x772f5b2ee4b6f5488c490cd868d3c0d7cfab7cfcaa22482882cdcb2780d9b9eb",
    "signature": "0x244d8f006027042dcdf77168546e48ff54600b9ec07297bf0e1d5fa2f655820408161a6191555260a7e7ed0f230bf64350c0cebea67659b92c701474b5512fe71b",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}