{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353127",
    "entityType": "User",
    "nonce": "0x86ee6768390dc8109b8a1005f9119d914fe00ec25ee62fdd1056d8634c376841",
    "signature": "0x6419ad9e90d515245f44e0d39b9cacfe4fbf48b7ad71521ac3878b00cef1e1c072cc0a47e3a9058f0aec9d9518b9a8977281aace5c6698ff12739cfa57bf66761b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}