{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x0253688b793ffc1c588824952e46aa270c551d11a19f6f1b753df303bfc22bd9",
    "signature": "0x4ac4ca05d0b42f6b0812aa3c9a61363076c84ed45382e040c006392991a8787b3023dab5d57dfb10c09f2f3cee3fc3092ecb07f5687ce775bf2431a0609ed0b31c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}