{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0x5f3e31de3f71bccbbe902a754d24dc2ef46bef0d0526205a68ff700ac32f4e88",
    "signature": "0x7b3c9876ad98bda1eb76163247c1c91390593bdc3800f88d7062b4c7c8f2a3806b5db15ebdc0568b7e7a5163f99975b31eedab2013f57b23258773fb9835085e1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}