{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2052560",
    "entityType": "User",
    "nonce": "0x9464af92372553853028c8b37d811580f617371d204d605a61291244ec28f330",
    "signature": "0x7d57a00dd19435a8bd43cfc49b9ba2c145a3672df9384f14c060e3a7abc126a552c277d06253ad78af7bd80c2d7ef865b9356c1b4ef687c13baf765b52624e491b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}