{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169436",
    "entityType": "User",
    "nonce": "0xe7af2a4c6f123c2e36de749f41031d30291a3e98c7097cd4297c08cefd7d2b01",
    "signature": "0x160ca8cf02dc2556a4553316b4133f6e83c4b8907b2b14fc5b565b68faed3b2971a1e7bfdd3b6f4eb8a55503d410561ea612cc68fd0ea36a0f51c6240aa0780d1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}