{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x1aca5733ac11ee960ac4882943694b23db703bc6da9ae58daeced411da2a085a",
    "signature": "0x0050c652e695618345e6d3bdaeb66bc0ced60a1befaaccfc5914cd6e0aabca0c78830a84918d42715c7a3f93cddec5851fe2aa6a92146b82e62d6e286a324ff41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}