{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37654",
    "entityType": "User",
    "nonce": "0xcc1a4874440e99513f9d68d1063b9aab15b7f78f1cbbcf4dab5c3e284e82254b",
    "signature": "0x93d492660bb9620af0b8a77faacae1fa7b1867f3c0f7a3f0ce1036844237d65e064340b276018ce3a48b232c7ee0b7acf1fc4268e3ecbad2f43d4b2cb7d2abf41c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}