{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1697576",
    "entityType": "User",
    "nonce": "0x0e61453fce2c4bd510367a9259ab524be9d51b67758eba2b591003ad05dc30d8",
    "signature": "0x32746e57ec0cfa8919eb7d2d205cdd3b949b8edead0786337e582187d487200852fafb572580970820bf347e1c3e0d1ed529e4914ddce845f89fd5cf0ffc34d11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}