{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315121",
    "entityType": "User",
    "nonce": "0xc2a628e7178d9e5b196abb7017fc7a2ba680e8f53a72c896d40f6af2b83c23a2",
    "signature": "0x1ee9b92979b8f900d273907aa857bf91e729d0cdeeaeb92aaa04b26bcca4bb48355731dfb6c4bebe9af1b1ccb09fa948c24f101843bec4a4e83c5f4debeb44ad1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}