{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44119",
    "entityType": "User",
    "nonce": "0xf8818c377852936ac68f6b854e5f7fccb009d0704af8da99bb31f74ea4af981e",
    "signature": "0xfbcd3fe1a146c445b11b491c5c41cfacd24b2302af95312c60a3b8d0709ec361540ca0ef7c568909b257025a5b39aafc3bfad375a134e8a18de6b9621fc0cf5d1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}