{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217856",
    "entityType": "User",
    "nonce": "0xaaf9a73ab4f820e357286b2d0d31d60321bc2e9fd05544f65815f6e65949fd95",
    "signature": "0xb87fdd0c246abb20cad8c1434a81dc38a9f51a6d343e3d403dd022525eda6ced5c77f2d9ea2c451e611cf3eeb7cb6cb9e46df3a0808a84a296f65019351954881b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}