{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc141253c0833b96547afbc14a98136e70de7fd071cf051c61f550831da68d8b1",
    "signature": "0x3cf0c25c37a852b08d62adbcbbbab770f73686539d74faac97c90519cea35b8314c4423ab953c1eb1d5e49803a6ec8ceca2619a77971cbe6af4d8b3f8a8c50fc1c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}