{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63051",
    "entityType": "User",
    "nonce": "0xd02f81d87216dc5f697a7ba5a5e713987e5664f83b64fbac93f0223537bd6f94",
    "signature": "0xedf80061865cf8169dbcea3b9601c698f9a1b12813630adc7047d6be12bb938c4778f23549b834c353974b3d82f665ec715a41e1e8eda1d66ea861de5ad85b721c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}