{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53860",
    "entityType": "User",
    "nonce": "0xf0bad4e36e23cdfee9dd64d7ea7002645a29db4b9463b0ffe940db7af678b09e",
    "signature": "0xe62059dd5e224cc59a64cf74744599788e6c6b5e680914c006c0315648d702b118d1856f8eb4527c1e08461241b9ae0da06122abb2b5a7cbf60f8fc64a2d53461b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}