{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7e9216628a5e6cd162b93f7b8b6e4f8345928704b7eea12fa462080661963894",
    "signature": "0x9e00873f0d48049dda1707078a3fc2359bf07e71c11fa7b1a5a02067ed5288c96c4f7f55502de9c5c3242ec4a2142ccf8ca416f72e168dc9f7a350438cf75d1f1c",
    "signer": "0xdce8AFD41B436C058DC5aCa850f232129F567359",
    "userId": "544327632"
  }
}