{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3762",
    "entityType": "User",
    "nonce": "0x9dedf21bbfb37217f6b3dcbc5eacd13cf5b061552f31cff7dba20a90f2961c77",
    "signature": "0x5daf9b29282307e434bdfdc7641f8f0295d817c9063cbe9442ae49682757c7e338f76273c7f07c76df0916e78880edf83fc8ff15322264a311bb49a8e46dac0d1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}