{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374067666",
    "entityType": "User",
    "nonce": "0x650791ce1a9505cafea8eb19ebb3b2876a9038bd41c32bc86ea5621469a23606",
    "signature": "0x055c4f90bc98bf47c47cb06a21a1e030c46b9401a539e48642eb207ee60b19022f5e39252ab0b7be2e9dc2219b250faea1aed62fdee2a865e597aa46a19c7f621c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}