{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275305",
    "entityType": "User",
    "nonce": "0x453dfae504d55b295ea8efcbae13070286dd1053f4a3d46ff3b61577bba74dfd",
    "signature": "0x76c40ee6b72274ab32104f06ed25355951470fcd9344c7de39d2b329d0036ed17a49c8958bc57a5cfd83b288defe6b4690ed66d66f453deae9e9e108a22e49b61c",
    "signer": "0x46C85bbd3c0c697Ac1Ab2Eb3c8684cB5b8Ef7ecD",
    "userId": "368331039"
  }
}