{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6915",
    "entityType": "User",
    "nonce": "0x864ad1d2f9b95e3e24962b703a327304a7c14e1674f6a47d0af851070aea4e61",
    "signature": "0x7f10b23a6517f84e59f24ae74a5311932b3cec2ead17dd6e04c4bff3fc96cb574100782b9105c20f1947abdfde2b648002f64080de6d3a158155be17312de98a1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}