{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144",
    "entityType": "User",
    "nonce": "0x07753504fcf100e16597d67698f3208d685cd8e75802aaac35ffe19c04257190",
    "signature": "0x2c62664aa69859460d629516a51cb602a2043a6efb3007aaac6b075322f4c88e41045793e34e5807459512b96e64b9aaa4cee0abf55c3b61729ea0bc543f261c1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}