{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xee29ab8f5a7583f5a903ba4b0870656118d77cfe11bf537fc020997eeb24bf32",
    "signature": "0x86295c22bfcc430a058bf828088498388194f47d35c440f2c22fc2815e8a35225d93f5f87735a7dcfcd528c3d63ee023538c310526b82648beb6f8d1fdf5333e1b",
    "signer": "0x7a78569646ADa00a4d555F20fA48e9cDb9ef14F5",
    "userId": "333304008"
  }
}