{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0xbaaeae6ba0f176db31703994e170a848a32b2fa9ec8ac49140c95e2c017dc553",
    "signature": "0xae8990b8746908b1753b3032ab99086c573ca5e801c10eaa3eafceae6abc652239cb67d9c681275873234de85ca162416390540d736d56675412ac06abf90e951b",
    "signer": "0x7Fca0754B90893F156B055e62d9ae45AE2dF4686",
    "userId": "308196323"
  }
}