{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0xe36b9d6e6042372a4ab68b2172fe14dbb91f0819959c59244630e037c3ec1d2b",
    "signature": "0x24691c66f389e6d9284e8c519c8745fa154364d5e9ae7b334325705a8ba76576441254da0825990b9109ae9afbf250eaed693ce442120985b834527fe84440d51b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}