{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x1eaf30254edadd1d98347715f6f5211aac24f4ddaac21e6f2fd8d453c07c59c5",
    "signature": "0x560f238ef1c9ce684a5feedc068391e4aa87f2ab63bdc37f0459e6b5f516da9579c63a4d24bb87de37d286fe6aa2d71a92f125e66df6c937e9bcd5b52555e8f01b",
    "signer": "0x63f357A64EB56f8303e4C9Ef9B8f6328366e84d0",
    "userId": "239137724"
  }
}