{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64165",
    "entityType": "User",
    "nonce": "0x8b727097b6e3296301c055d270578d22cde786dbe6a62713790d56e11c2a9c4c",
    "signature": "0x675f1ae9253d98abdeb6f4765a35e16abb3d4f112d12e60e61e193e44d9edac6731f05ea648c16ab2ba3ad095933054792dd4572b747c88080df7220716050bf1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}