{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0x40954d545ebb25409586861fa20db233404f0fab0ed1cc1ab1542ac6f9467a91",
    "signature": "0xf0d2085f7ea7af64c93fc17595cac8ebc3aca9ec82d512ce8588983986aa8a484b444f728a41c5b3c42d3daec26ad040b169c1d9fec03fd7f93ab9292df7026f1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}