{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73735",
    "entityType": "User",
    "nonce": "0x5f517164f71ce925a57ea1bb1f3550d10c6ae6c61371be1efde28de1cabccd7e",
    "signature": "0xdcbd670414976563eeedbde11a0b3b54aeee71acb351ca0cefd766ac0a777a367e026c174ce7f96fcaae131f13747451e6c091e50d771395382b75952a7ebf141b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}