{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159467",
    "entityType": "User",
    "nonce": "0x3dc1ec146582fc7828d4e2c6548bda0ab785e0a78067968ea84ec97f39bb5ea7",
    "signature": "0x2673100ccf0f9e01c9dad229b6c509169cd67e8142b077cfc2d544a0c144ec951ae3565693feabc6625a9c553243d897e27a3d2bc706c7b6c09578b6d6f7f3ea1c",
    "signer": "0x0319D614D59F18154d648c7A48469504C3690FdE",
    "userId": "852879658"
  }
}