{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829862826",
    "entityType": "User",
    "nonce": "0x66babcf2f199d788731e9970f6e708b78b091cee8ccb2c6f90cde38ae1b8c00d",
    "signature": "0x1ef97ea1b8ba3b059a374537831ab813e5621eab849e0d320a65c20758d956cc6322c8f83d6a4c95ea5285eaea9848a0d4d05cdaa3d61c640383201485fa45681b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}