{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298766",
    "entityType": "User",
    "nonce": "0x31e5556b6b32c5bda8017a475c7ab69eb5aa37bd769a693ccb78339cc6ea99e0",
    "signature": "0x99efd74833768c4f6f28608111c3a6959f5a0de18f1e457937f656db5c0b8b7a4a1e4daf1d16850312dd6f519e416bfc12c0d75e3ba0e717d1a6b3f609d403011b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}