{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xc989916ce2be1b154dbac17ebab18c62a3c18652a4ee8aed4e10a07ecf1a120a",
    "signature": "0x7e8a7fd1798f7541bd11caff73fc7a48f4ed9084180a7adbc4badbc301e80f777ab4647c3f601ad16d0b67e435f5b9b3570e09d5bc7d59be9345d5ad04d231ef1b",
    "signer": "0x6c8dCBC19B550a5AC69fd394bF83e9824E7a6605",
    "userId": "528352645"
  }
}