{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367804",
    "entityType": "User",
    "nonce": "0x3fec060ab259eb4e7e16533d3db17e59c245849f89b39b755ef58fee943e4152",
    "signature": "0x25039613df2bc0715698d51218eb0e236e0cb5218ae516d96c1a973f8e4c11975fecc8f2730206933de70e52066f2fce6d050ec1f07896f6100a15a30d1aaa091b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}