{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318018",
    "entityType": "User",
    "nonce": "0xaa71c637e4e266aac85a94e439cf9f7af90ca87672a55c22d9d2c23dec6aad00",
    "signature": "0xcd34fc6621c5217f429e173225bd164edd265496d481fde2f7816a85405c27aa515b514f480a01f61769294375f0be52d564579fff93ce8887985178734a14bb1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}