{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50359",
    "entityType": "User",
    "nonce": "0xfd48d6ad474ea0c71aa4199491c8861cec05ce16b8e0f5ab2df146211794ed6f",
    "signature": "0x80e69ab7377909635d45020b996ba25d53a5a07d113cc0781db5508059da1338097d5b573a11ea81361553d005b9a9248763a2b2e7d2e9e8a0ad68e7bd516f441b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}