{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143381",
    "entityType": "User",
    "nonce": "0x156ba518eb77601cb6a832546dc191549988b99d7c9886b04541b4f44cf65ca9",
    "signature": "0x161093fbc5e533cb384b2e022674725b4bbdf4ce0041057984d3955899b7ef217bacc9312b6f2b9cdc78d4e8cd35172a9e43d272e75c6c6c42e63e2d7eecafff1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}