{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x9f469cf7e59b997a2a8cdc01d8e684e77e0baa27b5446f10a96b7506a4b28bfe",
    "signature": "0x48d275b143ab0502d1e7fee1ce6795e4e6c9228b1759e43db4d1e7aaf874cb5f3f5608d5dd5e3c10c0c3bc0a5109de4747f442ade2a3b16f6345ddb51a82ecde1c",
    "signer": "0x4dD8f87Fb57e57661Fc7F115acb4a0235f415ABA",
    "userId": "806547662"
  }
}