{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x4cf3b2a474f864d5f0e682da264681b69286e446b5bf732920fb4eb9516c90b8",
    "signature": "0xa60d32d2fecfc6e9eee6b13e682cc3ab86f8165095053185ece6e9b087ede38d2a623a5dc99fdca4bc8370739212822b6f9ae5dbc63a65de8a6d2bf802c3dbb21b",
    "signer": "0xDFe639764a8C44FE3a4497E14De305c8EeFE1bbF",
    "userId": "753150719"
  }
}