{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x017d8e2ae38bbd954470f515af2af534bc01db8b198bc5f06d23d727a33b23b1",
    "signature": "0xeb6014d795141f3a09eec344967893e326524d72e11bbb5d5c8dd5897a87544a2c90fa499c403af90252dce4351fc56c171650ee499afad57509b30013e4a7f91b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}