{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6800",
    "entityType": "User",
    "nonce": "0xa1ac4eaa3176eaa59830a07f74c432fe6745401565695ed9bdd11430eefc9997",
    "signature": "0x3ac15d3c09d37554c89f7e605cca92c81cb4f8ac7694e9a514f28252f1c1df7e1248c62028cfec26c8a0cfce73f380db94f6594c916c36e06441c6af645e41001b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}