{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63187",
    "entityType": "User",
    "nonce": "0x83495e13d4759340f478830b4b2485417d217bc6e8082422e32d5dd57adf8e65",
    "signature": "0xa30d8d939c8594ad131313f0031ce241547ec88a288d7f5d25910aebfb941f04191aa050742bf406f23f49e7738fc147d98429b0d9e5f375715d5ec5a73f7ff91c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}