{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "414464018",
    "entityType": "User",
    "nonce": "0x733c2f56681424c64687a2b3c5589ae2a4dac382a02564423f04a12b8f8f0885",
    "signature": "0x37020edb27e3c5f4d51ff90b11802186e9aef200fe4590f55f1b4877d82898b03afd6e331952793dc46b8aefc034a5f9d8fbaaba3624a35da43dee98f8bfb02c1b",
    "signer": "0x92d3aEA782A42D4B044a13a4727af9Aca3a0211F",
    "userId": "12615893"
  }
}