{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58219",
    "entityType": "User",
    "nonce": "0xa08a3595fa964e30866b34683eac275b441fe88e5989c98a14abaf5c5b527f15",
    "signature": "0xb621ec9b055e77a24966e02a97752acd2640c53656ec0cc8338bf2180b9ee25e0f6b4b139715f08d3971fab7e66ff77a2d4135233a04d07507815a8ea0bf52c31c",
    "signer": "0x856dD60453733C7356ce2Cc02B884a7111eC7E6D",
    "userId": "15192427"
  }
}