{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332438",
    "entityType": "User",
    "nonce": "0x3c9326431be7d9558fbf658a91dc47288e79501697b1c099f1b614dba462a8c4",
    "signature": "0x61cd7b92d432694ebed7b9ae53de351154539bddd346ef8185a58304851998325aff9403bafdfa5a4c7221e21656ed041780d7a8302fff50844ed2f9f31954561c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}