{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xa0a7e354d6c4a6530b15355cf6894c54b8080ed5063b07d43b2918f7c846bc29",
    "signature": "0xc26f8c54efb17a2e3e2bca3aa387f8a5f3488705f014b0693bff74bd34e7c9c353bb0185fd8ab1c7ffea03b1184f128aadb417849be716c8516c440e6487bc621b",
    "signer": "0x009aa7b49eAF9a76b4b0e1D3C0ef92ba4e8ECEa4",
    "userId": "350390967"
  }
}