{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2051986",
    "entityType": "User",
    "nonce": "0x4e064df17e887b2e93cdda9062765990d550b46e98700d79325333c1b9cfef28",
    "signature": "0xa59e611d1aecc72eb37444179225bc5a41eecb0836d63cf470865c82e05bea8532809747e85316275928982bba0e4bce1f4cd5a8318575259a2463d9c4d12b8e1b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}