{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274758",
    "entityType": "User",
    "nonce": "0xe3063fa88b6b57f7780c8ac8c8794284b572dd9b1cf712b30879a0b4daa3a2df",
    "signature": "0x8960686191e4f4a2723953018edb05c8b0c8b2d45d3e6d34437bcc564e1f1bf671cbbac498f61cb1d8bcf1c9457da972686180600c8be470b2aaecd2fd2d46fa1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}