{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x5c9e289effe725f20a29693a3de59da29ede36f31873eec32fd4c4a7116caee9",
    "signature": "0xa48af35bd8995d7fb14134445313e4b1657dccb95473364ab965d11a7fd219ed7d9e77e4fd0349109508db766ecea7f2db34556b6eb527b021bc55ecd799c50d1c",
    "signer": "0x3D472a01Cb831ac594835ac6038A4346E2A22B94",
    "userId": "327343"
  }
}