{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85349",
    "entityType": "User",
    "nonce": "0xc89bee93c81a0222f037f3c2679ca536acf5c18ce4991314fadae48e4c9f94b7",
    "signature": "0xcf637aeefaebc0051495202bf7df9b268e4587d37b81195ba21b110a7112473c24563564b5345406f6a541311c0ff89ced31fcad6c70e850ecc3f0276007da7c1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}