{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xbf13313bc10744552121de8ee52b77c993c14a1b308927cb2281dfafa145abf7",
    "signature": "0x6ac2bf289153615fa015cff88ab0b4b68d094293bdc948f05ec94062b4677192362ca9a65bb5bebee9fcf29ed6e222f21092318c4000893ad741b1cf64cb36fc1b",
    "signer": "0x3aBfdda7Fe70573Bf3a32f951e6cFf35e8E00047",
    "userId": "465093414"
  }
}