{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294973155",
    "entityType": "User",
    "nonce": "0x4becd6ec6eaffdc69b25c924349ad5bc5880afcf3f6631dce2d6cf3d35d77b18",
    "signature": "0x22ea9c75f9f94f87cc6cd9dfdea49fe7ebcf998e64fa3ab27d75acbe093544045363f8a6c52388878446659c1deb4907dd34e5c0f14b0dbcedaf3c3c831c1f2c1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}