{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39659",
    "entityType": "User",
    "nonce": "0x07b3cf12f7595d0bb234cc6a7cec8328055181b5b401f2ef0152f574d059089a",
    "signature": "0x800950021a2b8bde03a4b0cea95762904671281c2fae56a0a2f8cc986fb68dc61f39174928471816014ab5bac3dfa1b42ffecd561a3582e5cd62d8e7eba7aa431c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}