{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0xc78ff32e18e489ec39c76a1ada228e42f2f5621fdaaa1ecc69c86d775e429341",
    "signature": "0xde21288d2c1e0a1e2739d9e9c0f16112ed1644ceb3930b4978e1cdca58bdf66e3b8f36549e2c07e779f30215ee64ab18431147a2923a06292693f828edce7dd61b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}