{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x1730fb6db6d9c9df57943cc3abdcfa79c99b440b947c581f30807453604982cf",
    "signature": "0xbfe28203b6dc00ba6a34e6477dfa80a1c096ac9a676be610fc87397bdcd28f884f572de20755bb828dca752d8add040f81519eaf4cb4fcb1958e1067d6ff55f11c",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}