{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79489",
    "entityType": "User",
    "nonce": "0x2923020ce9f21106bbb271d0b4b8cc7b57da88fb0e2bd19b3067785a6784c54c",
    "signature": "0x19d6b9d4b988f800158a457665626dd36d7d72d4e3f00b70548f2073b734b3e9772393addde6df16772613c51a83187b1275ad834381efbad316a4c830d5572b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}