{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713715",
    "entityType": "User",
    "nonce": "0xa54602d108b998433eef14f0172fa6a096ec526822585da6c83f2f70132f08a8",
    "signature": "0xdf5f9fac01afeac4d579aa6fc43e0874568fe8dd64b833f91f8727c71c30148e367ad4a67d5db2c2cb0af12278cc5607887f5a410271520c8923efe21558734f1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}