{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62962",
    "entityType": "User",
    "nonce": "0x6f28a8cc8aa5ed3882706044299cb88a5189987891d3177106e23d776adf4170",
    "signature": "0x594086976b1a28fe1b01a46d04131f40555bc8a95f668d71d3c1a9876e6dadc245077fcf0f4d32a6f73f13399b05f6c8cc7076cce1e37d5b9ee757b06f1a87bc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}