{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcda9143932b5ea218b4876bfcea5c19d618a293bed7274c31deb53ffc8407cf3",
    "signature": "0x6907616b86d002b6feab9901d45db55c62d9024e114b0655d3d396cf8223c0433d90045361c3b89d8a7aa6a175f4a792c2df1944bcdea19d1a2b8209a6f879c71c",
    "signer": "0x8493eB5E11cf6A8721550b1FE686220839817B51",
    "userId": "759225695"
  }
}