{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1041",
    "entityType": "User",
    "nonce": "0x3f6f5c3b4ccde34a0bb4ba32c35fe0b660d00241a72f965976ad5e4fcd9bf990",
    "signature": "0xc7a9a4b6f05207d45c01545e6de8839af31dec6e3b487ab109f4da88528c55ba1e189a94656e905f4e7ca958f85d2acebadf0188420029deca96aa47660d3a571b",
    "signer": "0x37078959e8708e75303c5386562E052FCE3c1B1C",
    "userId": "446684277"
  }
}