{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37502",
    "entityType": "User",
    "nonce": "0x2888645c7a19143187cefddfb3d600383ca49ad3375eb167f0888f27884ba98d",
    "signature": "0x1ab3debdb118666a33b093f4eb3e9b8be4c655b02ffa19a4a0269ba6d5675f4c34f4e13c6468b52ea9e8db11861d63305d5ad2b2aba3ea20920a7fb681c36ac31c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}