{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0x086a00c52195196c953a20a40406d5cefb0d724e82aeeaea7866e5327a9d0503",
    "signature": "0xeb309d597332192e58c20496df59f410b84523bac21220c2e604e56996ae46de6b3f3ba1cc9c1ac80fbfe2239d0c7fe0c9978404c81d25623737699a3c43e50a1c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}