{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0x9f5cb4222cf154372607dc450892ce0ca66f32722a63533582019c3b148e7994",
    "signature": "0x2a9801ed411388e4b07afb551109c82f6b9262b4503e76db0bce05cf425f9ac65cd2579ae9a39c1a063d3cad35bb7e6bc5b0c0032e5e3f19fbe2a51415d5d8401c",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}