{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206452",
    "entityType": "User",
    "nonce": "0x3bde157c68f36aca3ca9b99c4ca421fb6a6dc656e821d03260de36808cd78fee",
    "signature": "0x368263993279d06de174d91be9c6c1a200ca323f6c98152ef188f6244bef2e4a4bf5f29f2e7d362c25655ce38a011b3744b7afe15213cb38896a2104689b61191c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}