{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205386889",
    "entityType": "User",
    "nonce": "0xc55f417bca195586dcb89c9fe1eb4c6af8edcacdfcc9c05f8b4cda138b6936b6",
    "signature": "0xcdfc1956fb35e9f3b8c348d0da979780b7664b0d8e124c95dc536d4cacf17488675479703bd03599a8c159142f5530ae13888f8dcf4391fa94bdea2510e144901c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}