{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10678",
    "entityType": "User",
    "nonce": "0x26da2c298fbb4cba90d70e1b03e08dbedf23df0ecf61f2024c8da6e67ffa7b9d",
    "signature": "0x74d966604a2a91349ac207bfaef6ad510c57c44eb82dcffc000dd3c110c0aed130c098eb081c46bc0e95bc88b81e104890a9ca16f0f8abbaf65dcf1f6bcb7bc31b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}