{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xaccd8dc69c63b8ca096efe332f47184d46553de3568d4ada59923597b5529faf",
    "signature": "0x6ce5023daf2964db4d624a9489591f25a3aa28848847f8a977b097e9cfb2779b1445558fc22e89f011578e07f0c3ef875ac8ec8f2f9a5e66809d0fc0961d121f1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}