{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x60c256c034c03acc083999fe1dcac04404182f6eb0a41f4026f6e667cbecfbf2",
    "signature": "0x204028a8bca21d8b5b27129ef628314349e413cd144bb601a0c2598396b495444e643cc9274da920defcdbc265e5c7c4d97b7466bd8627eb8a16894b16708d1a1b",
    "signer": "0xb1706D753BBf0bEd5084443ce266B6E8105167BE",
    "userId": "670186204"
  }
}