{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5868",
    "entityType": "User",
    "nonce": "0xfccfd88515cd41276a4f501f9b209c3b49ece1c634fd3096f0908100f1e0eb15",
    "signature": "0x74bcd996f1a4fb511bbc6b4ada5c5f1d25c93a3b66102cec63e7211d2d50a56364ee1de8fec90fc2458abe041e22dbb94132c69a91def4508c08540d92ca90851c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}