{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1040",
    "entityType": "User",
    "nonce": "0x1d895ee4a499e71975d868408927771d542366e65554d03f4c03fdd8f958a157",
    "signature": "0x2cba67cf8da9fff1b2037066d70f00ab8dd25145fa490df8de63b4143546e5075c1f01f150a1bbae7173533dd5d1f5ad4f4296b8c0016178804c4e65e5f64f8d1c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}