{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0xd29072cbba9ff10acd5e2ef3ce92cf00030aeb800dfa8d950d8fdfcb5157ce03",
    "signature": "0x1aeee40ff3879c023ba849cdb3f61f917094cccdaf9658fc57b04ef4839ef52e7b099de78ac78363d29bc670587c168fc3b2c375d0a2998d89d14802e1044ccd1b",
    "signer": "0x6440Dd7ce5eE2e610F909B08098D39f89250637f",
    "userId": "503764788"
  }
}