{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "424527931",
    "entityType": "User",
    "nonce": "0xf498ee317a33b13828d80985f4830c844f51fcb5c73a8e30397c35b1c43e1881",
    "signature": "0xfe8249f91135e9a27539bc2861f27e69591924fe8419d9fec083405afbc9bb004d0bdb332e992b49b5db526fa4fa2b8cd1b2de8edec56e814ad7d5c475a99d3c1c",
    "signer": "0x79d946D7a6a0E281292BB8ef388e4Babae1e6b02",
    "userId": "608704063"
  }
}