{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6401335717151219aafcd08d181c307508855062b03d86a6307e098eb341afc4",
    "signature": "0xd2d88238831230a1fc8609e2bb85b3740f74be6a71f7d224801ac6c6a03056697d74eb1a759de4b52a7080b4305c30696b168c3a1de0b31561aec398f44a45b41c",
    "signer": "0x31eba27Ca105bABB3B8590b9A71b07C6d1e7c747",
    "userId": "406716751"
  }
}