{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111301",
    "entityType": "User",
    "nonce": "0x0c6e61da65626b6e911bae836b937dfaef9cee6abd701c9c882d83f2cee5af40",
    "signature": "0x9724223e5923d128607b7ba24ce482bacefe0a1b377f210771d810d681b87fc368267c3f33dd5fc375a061fc74ac4a3439027477005dd40034b932b80d3e69dd1b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}