{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212683",
    "entityType": "User",
    "nonce": "0x595d05cd7d8851c688e3efcb718be5e329890e152ba63ecd74b3e2766ec8e5f1",
    "signature": "0xdccdc3aa4964603340050fa348a621c7ec9b5041c5f191e1b8944170f99d8bb37386fbb2e92e7b4c9482109bed192b941c486c76e7ee82e00395729cf2c2084d1c",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}