{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57605",
    "entityType": "User",
    "nonce": "0xebf818d56adf2dc35ec21bc284c7d2da4e92d44ad8a9fd964fda2ad4e092adaf",
    "signature": "0x2d06fa0a0ef5d000b09f9a7666bf6e16453bc76a5b025b4e83f0cdf84be6f68a22956fc6b96e77022e68e884dbb419ffa978c9c230d0a12ba9ad06d028bfe3611b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}