{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35499",
    "entityType": "User",
    "nonce": "0x7c4b9155777ba0e7ea3e639002b2848c63f8ecf6b1773a9f574c402031ffb964",
    "signature": "0x13b0524effcd317b2186c72339b25270e9b84dbd6725f4e229e733856eb27aec2a2ca2abf8b27a664655bedc7832eaeda1be147dfbe0d4781d55895adc27b4071c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}