{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943748539",
    "entityType": "User",
    "nonce": "0xea2f1c1e34674934688a6f31af05b74df656617ba4d3ec5e4f5d727f0f95a137",
    "signature": "0xd15000c2639f85fb32a46233981046016f96c977c18c1b373ac6d3da7f93317a1808f73d9fc05e08ffdb919283dcaac52a630bda63624e662c7a471766dddd2d1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}