{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x718d1a574bfa78a2914d9a76a586ecac2fa9cb7ca8e92ca66e180d4a8c6c09c5",
    "signature": "0x81a123fc10fe4465b3b88060a32058977d3f6ea661b123f34f4697c28db2808d3f550c467d998ea7cff3a6818f45ca812ae3dd1a08881d021221b7b8e4657b8d1c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}