{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141830",
    "entityType": "User",
    "nonce": "0xda0518c3fe7e56ad236bc3802805676dd2d2fb8a90c35eae9e2e00f442879a16",
    "signature": "0xecc5aee7aa6ab8169b0d5f150ab609f069a76fd2b2fc5fd328de45feb094a547408167ba6c6a9fdaa3220886729489f3168b9a412943e452ab3ca8be61f7dd1a1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}