{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464332",
    "entityType": "User",
    "nonce": "0xfc7fa49b532717016d59d6bf6a2c3dcdeab2f07da4a72bf597a4c4df6af64d0d",
    "signature": "0x33f06a99a29b00099d26d4010d3af7eff6a812870c019d035588f48379efbfb6352b62f0f046c6a57386b1cbb6234d0f9f51e397604e0d2faa5535b761b480511c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}