{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0xf5a6f98ff85a912c4ec2fab722c3a239f69c1a770ed850804ec885c6afdfca76",
    "signature": "0xa9082df99bcabc063325ec1fc6f7878ccafe6609af3656c2e3d3405722c74a8f226a3dbed77ec9b52053d09141c5d4747011266e73c0e949622ad2c0b3162fba1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}