{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xd158ba9084f2cec08923ca7e437ad024d2934ff69b3c6c74e7bbd395913699c6",
    "signature": "0x36bbbde83b3151916afcdf77a52e7cd4eae106ef0aeb5245f6f7bb3551bca30d63e2d4861e9b427e4ee8045b1ec0ffd10c6524bc903aaa3ffdc71a6e9dbae3aa1b",
    "signer": "0x2230770EC85946F97685aDECD4b734f51662F050",
    "userId": "887741865"
  }
}