{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105800",
    "entityType": "User",
    "nonce": "0xa052fb1c295e6eb5dd06e7a35015d85dcf9e906046a857183f44fc8c935a2eaa",
    "signature": "0xf9f661a6ee1c4f5585833770f81a7dfc483e575e54fc6df7e8d0ad60fd6a96023463142c8119d1ed50f925f7d0bacb7a82b0ed2cb07083081a0190aa9fd1805a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}