{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4362",
    "entityType": "User",
    "nonce": "0xe5b647ece4f369ee620829b7d63b0e9333c67863e638434499ffa12849c16313",
    "signature": "0xf749ed6cd905cda34b4ac572bd2b5be7504dbd40001baac8704eb86b9408348213c06e13f709be80bca34bcf804e85e9457c89f63598d9ad2893ac44967a70171c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}