{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54858",
    "entityType": "User",
    "nonce": "0x4450877c94c0e3f67ab070a801dc8c5c4c8758af3d25b4c8ffd09a2e5a3de60e",
    "signature": "0x6c06e33f15eeeb3174dbbe69bb147e6bc2c1411259846e5c1b3a076f8658f15c48c6101c71137f28c81cce8a9beeaf585baf90c297e3fd4edc345ba4187cd7941b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}