{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xcae4ffae42566f726430df3fe9e327e7c9077262bda6bd330556789fc8c95f9b",
    "signature": "0x0ee9537a488b222e76b1fc677e4d225cc1b9c10b4c26ba6197a64731705e0b4c342dd821510734b413c2dcf6f4765f43cd487458548884ebcaab328696f2ed381b",
    "signer": "0x436637bD14cdBAb950deA5e8ab694896216708Ad",
    "userId": "234122192"
  }
}