{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "794906436",
    "entityType": "User",
    "nonce": "0xc1f5fe70d1f416c5873e33272e4d6ec8f4bb0068061643087efaf9d9f746442c",
    "signature": "0x850b057e34812252e124f4c17d5a303d1e181111e2dac1033ff57e8ba8ee055c6711b66976ca8de66739417210ef51589a12c80136f92d5ceadb4d0f26d7ab4b1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}