{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x927355c59179a7f5b00f2df55d49826832dea1cb466171c2653389036bf20aea",
    "signature": "0x6d7048d4257ae5db44e6348a54f35b384222ebb617ad0d983648d68fdeb8b79171bd3a718fa626e30e31901fb73fc9bc80da4aa8436803aeb50b2b37f5d63c461b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}