{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82efd8b65742635f7bcd1d7fd84233171a61c0fe0bd56d17e8be02d466e8ebe3",
    "signature": "0x21e1d0796f15edf7533e03df2f7708123a1bf5b29d8ef7d06d2867c949b3ec8c4816ad5b804221ae8d2f6f2d64f94b7c8f7d5ddc2870781501baea7e7ececfb61c",
    "signer": "0xe736f795Ea084d88447ff37bf22dd91c05359319",
    "userId": "658774480"
  }
}