{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "671552248",
    "entityType": "User",
    "nonce": "0x114226424889c1be73f69c2881e391a92da30e8da0094fe2df16b774515a745d",
    "signature": "0xdd4cd3c7dd9d6cbc464bfc6e55452d152a8cce92f7a0d94bf070b74c0471c40426a39e712c3190ef4a9be582747c16c3e93f8ea008fd365f23b065e4c14e8ef11c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}