{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109697",
    "entityType": "User",
    "nonce": "0x3342b2ed50089e97219d5454a2d4e89d9a9e01d6f7f90383ba7e2b1e6087e529",
    "signature": "0x5f9e1430671acd0c251dc0732f5bb64bdf7f0a6c9eae0d4424be74fc2d4e5c9b6e3cbc399fb380efd49dd1b611bc40096fdaae85baac886d0d53a81c68999eee1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}