{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1365072",
    "entityType": "User",
    "nonce": "0x7d18ce5bd96041d901742ee3b85185b6ac12458d5d4f2784b97bb8142bf95c0a",
    "signature": "0xa34ce45d8d141a101e040d61b9316c91c88ccc59d4f5c6a5292752ef174c14e84510c53a5d53027555a31fdca3658cec9082384dde622750c1d570d9b8d2d1631b",
    "signer": "0xc878B4B950D5e7cbA81be80233b56D3a13e3c7eE",
    "userId": "61025846"
  }
}