{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0x3c0fe85ed2c27afbbaaa6b662c429aa07d73b552e150b83741860af3d2c16ac3",
    "signature": "0xd2fcb748c6111f192a8fc6692af83f9e1ed7d3a109e83e0c5cd02faddfa0d0ee3f96a9ded95787f003f8fcd3779c1edda10e47eba1569f3c34ff960f241359821c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}