{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x2e1c7611aa3c7705b175185220630ad3956f40dbb1d5e9be1685684fa685be9e",
    "signature": "0x97edac1e15d56317f559908152db7ffbf0b5df9f7178c3598dd08231a1147d171b425ef46178fc6c0561a0100096bc97ba124d0caaf7d9bcc1fff5267664aa341b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}