{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332210",
    "entityType": "User",
    "nonce": "0xaa6d55326ff4ee9dbcaab4cfa2c660469c46f5ae751c7c9eaa6582463414d199",
    "signature": "0xb0ee38afd55d8f0cbc89af879b84dc4a760104a45a135d2bd9dac9b3973211ae54b4a7a914cfab0d88885043aeaddf51be89ee1c395707e45ff09117af723b641b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}