{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0xe6a3bd4f6c644201e83480746bde5f33b9dce1b3a834019261ae6dd7126d9f3f",
    "signature": "0x6a3ae90e8fefc35edc2a40c46b1fb2fdaf00451170659b6e6e24b086c7a5062d37207e54b5dc8458fc3452e7661262c36c3ca7bf4a9b12f4edbe11738682864a1b",
    "signer": "0x754EF52E5a734e45bf9BB0d01e7FdfF605EfF32f",
    "userId": "440792024"
  }
}