{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xf245a94bce0b723d00001fae43b5bf841e2ffa0114bae04be089a02b6c0b817e",
    "signature": "0xb720d07820d5039f1faf05e224c2c1d47bdd48bca012e221641736b2a7e0b39f322c52637d0dfccf5d48825f6b447c3078efbee5aaa694dce0f37c56b00c25d91b",
    "signer": "0xAd948EEedA4AB2d06bF3150Daf2D25De733e7Cd5",
    "userId": "175201368"
  }
}