{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846884546",
    "entityType": "User",
    "nonce": "0x9f59fd7bae64fe98c4e7ac0da089cb5c0f377940be73e54e51fd509bba6e6bfd",
    "signature": "0x84f5d82a2aba818d4269f39aa62e07d673b1898c9ac0337024319f9af40fe02802d7101afbada94818580117197c571962dad0565ca5ec3de837883488eb39551c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}