{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68618",
    "entityType": "User",
    "nonce": "0x641e898c810e9e177f4c245330fe41a8e1e569364f53c997683e900c57ac51df",
    "signature": "0xeb3f16bdb08d4629fcace429f86fddf35eb3790abf80e732ec98e5c2f033136b3b761807ed8f855782512a483e579ffb25e090647032d1e359daa22bdb0b1b161b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}