{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0x6d04a96b2d78c55e0ae8f7164cfb5b0fb63915a32ec54d051da2a09c36b3f1d5",
    "signature": "0x687576e8ad002ece12a0af29fee88590254ab29d9b9dfc42539d5b4aeaf811452214858fd40fc2ecd313b26bf7a4c7485b300e9624463bf9bde5957a99b8c3211c",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}