{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383",
    "entityType": "User",
    "nonce": "0xd20cacc4cf53f36f0bb011831f8fde836ecd5cd67f6b94397bdd7f1cc541e47b",
    "signature": "0x7bb697ac550ca9e4765b4ae7695907ab62ccaef9a730fcac7d51894b9e4821dc111914ad9cf683b4bb589126ce6e44748712b033d31385acdbc1e4b18fdc30541c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}