{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111702289",
    "entityType": "User",
    "nonce": "0x2dabdccb4f5e235974dbff211cb8469dd0da6a28c9e8912d0fad7fd9cb5c2516",
    "signature": "0xf03725914c7ea226241ba5c2d6390a341b946e9b33cfda0c84bd5e6e01d1a0376f0fcee1c116f9d9db31cd344c82a04229ee1983a26a7eafcd42044d131195181b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}