{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "378116426",
    "entityType": "User",
    "nonce": "0x24d6f085a3b29be37b2403672086cf62ab8329222c194405640e4cf720a2c392",
    "signature": "0x113f82ecb8b7e04c28ad036d248ca6a9214e6011ea84c3bbd9f8cd93e9f64b817931c9d6d1664c5981778773b8e43434c3d0668190fa0b85e6c63e58d545bfd41b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}