{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc87932ad5c155c695353c41b0b3bbee6ff7699b4a44e33b4d5bc309f1e63bca0",
    "signature": "0xa2679d75e87e003cdcce35382de69986698afbb71239541a796c7a7e5a4301b90f72aeed838f4f77b775d7bcf4a87963937148d1d088f4e3dcb45d524618e8af1c",
    "signer": "0x5d2d8A87AB5CB4cD8D512501E4A53cE157a9049B",
    "userId": "936628708"
  }
}