{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1702db6de8851a759fb32e850dc1cfa3f4da315b7180023ea1fa97bf984f7aa2",
    "signature": "0x9c89c2c01343108e6d86ceb9d154f3a67fc5291944cf625b705ce3440f9a859c179664ad61c3ec823e0586c319146cf7cf6995398e615564c676b9751f9fb9971b",
    "signer": "0x8d58218d42cde5761DC602360aC71F0C170c869D",
    "userId": "949272904"
  }
}