{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "746787517",
    "entityType": "User",
    "nonce": "0xc36aa61dab5816cce6e72ea044a8b1f3ec7b64b453fa4d5966c3cf42749bbb03",
    "signature": "0xe975c026d05cd190d6e227dfcafd8b55a9cea137abc8c6affa1dc4edc6b8950c7f39867fac6f18075282e9b833588cf082dc2afc2e1239ce05c05bb6906a523f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}