{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x3ae4174b06242a6b489177316556fe9820439093ea9a9eb559df29a3c5fe5257",
    "signature": "0x6d8ccceaafc0156ce9bd667b78d9179616814b4b812fc1459ed44ce00300a5a505c0f15632bb1d4a6b238117e5a53f2d40566772aca5b5c42b8dd7751f6d7a811c",
    "signer": "0x7396228B867F22E14B63c6B3071f697532E2dd3e",
    "userId": "635050374"
  }
}