{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151038",
    "entityType": "User",
    "nonce": "0x7e37b77fd1a305bd80f2a3564cdcea79bbe011edea738e8767d62ffe2c241202",
    "signature": "0xf90debc8e527343bffcfe79cb4d3242047f0dafe25874575fd3d15ab1d9caa3254a8952b9a088f547a9a64b60e9ec761bc441276a3aafeebb1c8c5b3a053af151b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}