{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180851",
    "entityType": "User",
    "nonce": "0xea5bf43a5e174042db14f7f9d0474881a1871d4ecc34a79d71a17e2ee31303e1",
    "signature": "0x34d0b6a21f2c121e1659e5d5b6489e24749cf69cb25767363c0e943edc9d9dd00a63cf7393d3de54bca18db110de2c670835db677abf6102bcdd8e310d64c4641b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}