{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64957",
    "entityType": "User",
    "nonce": "0x33da02cf745bfc8c73bfe4c865ff16b92420cf2eb81d24b0cc48180e90f7f3d5",
    "signature": "0xbfb580852f4706d8253e5148a94866d0428f895e901e36f19f28c8614daef38c5f113e75d36225be971050aea5585b2e4c0248604dfa58f3272cbfd758de2d4b1c",
    "signer": "0xE6a2533061175ED4c7f073A7BE3dc4189A4DE47E",
    "userId": "427249190"
  }
}